CN212147462U

CN212147462U - A blown film device for plastics production

Info

Publication number: CN212147462U
Application number: CN202020530475.2U
Authority: CN
Inventors: 曹江
Original assignee: Jiangsu Guangju Plastic Technology Co ltd
Current assignee: Jiangsu Guangju Plastic Technology Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-12-15
Anticipated expiration: 2030-04-13

Abstract

The utility model relates to a plastics processing technology field specifically is a blown film device for plastics production, the frame that two symmetry settings of two fixedly connected with respectively of both ends downside of feed cylinder set up, and the upside intercommunication of feed cylinder is equipped with the feeder hopper, the one end upside intercommunication that the feeder hopper was kept away from to the feed cylinder is equipped with the die orifice, and the one end inner wall that the feed cylinder is close to the die orifice rotates through rotating and is connected with the auger delivery oar, the one end fixedly connected with bull stick that rotates is kept away from to the auger delivery oar, and the one end that the auger delivery oar was kept away from to the bull stick runs through the feed cylinder and. The utility model discloses in, realize the automatic of screw transport oar through setting up actuating mechanism and carry, carry stably, easy maintenance sets up the electrical heating board in the feed cylinder, and the heat is concentrated, melts effectually, and heat consumption is low, and is more energy-conserving, sets up cooling body, absorbs the cooling with the high heat of die orifice, can prevent that the film from fusing, improves processingquality.

Description

A blown film device for plastics production

Technical Field

The utility model relates to a plastic processing technology field specifically is a blown film device for plastics production.

Background

The film blowing machine heats and melts plastic particles and then blows the plastic particles into films, the film blowing machine is divided into a plurality of types, including PE, POF, PVC and the like, dry polyethylene particles are added into a lower hopper, the polyethylene particles enter a screw rod from the hopper by the weight of the particles, after granules are contacted with inclined edges of threads, the rotating inclined edges generate thrust force which is vertical to the inclined edges on the plastic, the plastic particles are pushed forwards, in the pushing process, the molten plastic is filtered by a machine head to remove impurities and comes out from a die opening of a die head due to the friction between the plastic and the screw rod and between the plastic and a machine barrel and the collision friction between the plastic and the particles, and is gradually melted by heating outside the material barrel, and the molten plastic is cooled by a wind ring, blown by a herringbone plate and a traction roller and rolled to roll the finished films into barrels.

The inflation film manufacturing machine in the prior art usually melts plastic materials from the outside heating of a charging barrel, so that the heat loss is large, and the inflation film manufacturing machine only depends on the cooling of an external air ring, so that the cooling efficiency is low, the film forming is slow, and the die head can melt the film due to the overhigh temperature, thereby affecting the processing quality and efficiency. Accordingly, one skilled in the art provides a film blowing apparatus for plastic production to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blown film device for plastics production to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a film blowing device for plastic production comprises a transversely arranged charging barrel, two symmetrically arranged frames are fixedly connected to the lower sides of the two ends of the charging barrel respectively, the upper side of the charging barrel is communicated with a feeding hopper, the upper side of one end, far away from the feeding hopper, of the charging barrel is communicated with a die opening, the inner wall, close to the die opening, of one end of the charging barrel is rotatably connected with a spiral conveying paddle through a rotating piece, one end, far away from the rotating piece, of the spiral conveying paddle is fixedly connected with a rotating rod, the end, far away from the spiral conveying paddle, of the rotating rod penetrates through the charging barrel and extends outwards, an electric heating plate is fixedly connected to the inner wall of the charging barrel, close to the upper end of the feeding hopper, is fixedly connected with a temperature sensor, a driving mechanism is arranged on the frame, one end, close to the die opening, of the driving mechanism is fixedly, and the rack is fixedly connected with a control panel.

As a further aspect of the present invention: actuating mechanism is including fixing the servo motor in the frame, servo motor's drive end rotates and is connected with the drive shaft of horizontal setting, and the one end fixedly connected with driving gear that servo motor was kept away from to the drive shaft, is located the feed cylinder outside the one end fixedly connected with driven gear of bull stick, and the driving gear passes through the driving chain and is connected with driven gear transmission.

As a further aspect of the present invention: the cooling mechanism comprises a cold water tank and a cooling ring pipe fixedly sleeved on the die orifice, a water pump is communicated with the bottom of one side of the cold water tank, a water guide pipe is communicated with the water outlet end of the water pump, one end, far away from the water pump, of the water guide pipe is communicated with the cooling ring pipe, one end, far away from the water guide pipe, of the cooling ring pipe is communicated with a backflow pipe, and one end, far away from the cooling ring pipe, of the backflow pipe is communicated with the upper side of the cold water tank.

As a further aspect of the present invention: the upper side of the cold water tank is communicated with a water filling port, and the bottom of one side of the cold water tank is communicated with a water outlet.

As a further aspect of the present invention: the through-hole has been seted up to the one end of feed cylinder, and the bull stick runs through the through-hole setting, the inner wall of through-hole passes through the bearing and is connected with the lateral wall rotation of bull stick.

As a further aspect of the present invention: and a heat insulation cavity is arranged in the side wall of the charging barrel, and heat insulation asbestos materials are filled in the heat insulation cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up actuating mechanism, start servo motor, drive the driving gear and rotate, because the driving gear passes through driving chain and driven gear transmission, and then drives the bull stick and rotate, realize the rotation of auger delivery oar, and then realize the automatic transport of material, carry stably easy maintenance.

2. Through setting up the electric heating board in the feed cylinder, the heat is concentrated, melts effectually, and calorific consumption is low, and is more energy-conserving.

3. Through setting up cooling body, start the water pump, with the cooling water in the cooling water tank by the cooling ring canal on the aqueduct pours into the die orifice into, absorb the too high heat of die orifice and keep the temperature, can prevent film fusing, improve the quality and the efficiency of processing, absorb thermal water and continue the circulated use by the back flow backward flow to cooling water in the cooling water tank, the water economy resource more.

Drawings

FIG. 1 is a schematic perspective view of a film blowing apparatus for plastic production;

FIG. 2 is a schematic view of the internal structure of a blowing apparatus for plastic production at the position of a feed cylinder;

fig. 3 is a schematic sectional structure of a film blowing device for plastic production at the cooling ring pipe.

In the figure: 1. a charging barrel; 2. a frame; 3. a feed hopper; 4. a die opening; 5. a rotating member; 6. a screw conveying paddle; 7. a rotating rod; 8. an electrical heating plate; 9. a temperature sensor; 10. a control panel; 11. a servo motor; 12. a driving gear; 13. a driven gear; 14. a drive chain; 15. a cold water tank; 16. a cooling loop; 17. a water pump; 18. a water conduit; 19. a return pipe; 20. a bearing; 21. a heat insulating cavity.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present invention, a film blowing device for plastic production comprises a horizontally disposed material cylinder 1, two symmetrically disposed frames 2 are fixedly connected to the lower sides of the two ends of the material cylinder 1, respectively, and the upper side of the material cylinder 1 is connected to a feed hopper 3, plastic particles are poured into the feed hopper 3 and fall into the material cylinder 1, the upper side of the end of the material cylinder 1 away from the feed hopper 3 is connected to a die opening 4, and the inner wall of the end of the material cylinder 1 close to the die opening 4 is rotatably connected to a screw conveying propeller 6 through a rotating member 5, the end of the screw conveying propeller 6 away from the rotating member 5 is fixedly connected to a rotating rod 7, and the end of the rotating rod 7 away from the screw conveying propeller 6 extends outward through the material cylinder 1, the inner wall of the material cylinder 1 is fixedly connected to an electric heating plate 8, the plastic particles are melted by heating of, the plastic liquid after melting is discharged from a die orifice 4 to be processed into a film, and the inner wall of the upper end of a charging barrel 1, which is close to a feeding hopper 3, is fixedly connected with a temperature sensor 9, the temperature sensor is an existing device and can monitor the temperature in the charging barrel 1, a driving mechanism is arranged on a rack 2, which is close to the feeding hopper 3, one end of the driving mechanism is fixedly connected with a rotating rod 7, a cooling mechanism is arranged on the rack 2, which is close to the die orifice 4, one end of the cooling mechanism is fixedly connected with the die orifice 4, and a control panel 10 is fixedly connected to the rack 2;

in fig. 1: the driving mechanism comprises a servo motor 11 fixed on the rack 2, the driving end of the servo motor 11 is rotatably connected with a driving shaft which is transversely arranged, one end of the driving shaft, far away from the servo motor 11, is fixedly connected with a driving gear 12, one end of a rotating rod 7 positioned outside the charging barrel 1 is fixedly connected with a driven gear 13, the driving gear 12 is in transmission connection with the driven gear 13 through a transmission chain 14, the servo motor 11 is started to drive the driving gear 12 to rotate, and the driving gear 12 is in transmission with the driven gear 13 through the transmission chain 14 to further drive the rotating rod 7 to rotate, so that the rotation of the spiral conveying paddle 6 is realized, the automatic conveying of materials is realized, the conveying is stable;

in fig. 1 and 3: the cooling mechanism comprises a cold water tank 15 and a cooling ring pipe 16 fixedly sleeved on the die orifice 4, the bottom of one side of the cold water tank 15 is communicated with a water pump 17, the water outlet end of the water pump 17 is communicated with a water guide pipe 18, one end of the water guide pipe 18, which is far away from the water pump 17, is communicated with the cooling ring pipe 16, one end of the cooling ring pipe 16, which is far away from the water guide pipe 18, is communicated with a return pipe 19, one end of the return pipe 19, which is far away from the cooling ring pipe 16, is communicated with the upper side of the cold water tank 15, the water pump 17 is started, cold water in the cold water tank 15 is injected into the cooling ring pipe 16 on the die orifice 4 through the water guide pipe 18, the excessive heat of the die orifice 4 is absorbed and kept at temperature, the film can be prevented from being fused, the processing;

in fig. 1: the upper side of the cold water tank 15 is communicated with a water filling port, and the bottom of one side of the cold water tank 15 is communicated with a water discharging port, so that the water in the cold water tank 15 can be replaced regularly;

in fig. 1: the control panel 10 comprises a touch display panel and a controller, the touch display panel is electrically connected with the controller, one ends of the electric heating plate 8, the temperature sensor 9, the servo motor 11 and the water pump 17 are respectively electrically connected with the controller, and the operation of the electric heating plate 8, the temperature sensor 9, the servo motor 11 and the water pump 17 is respectively controlled by operating the control panel 10, which is a means of the prior art, so that the explanation is not performed too much;

in fig. 1 and 2: a through hole is formed in one end of the charging barrel 1, the rotating rod 7 penetrates through the through hole, and the inner wall of the through hole is rotatably connected with the outer side wall of the rotating rod 7 through a bearing 20, so that the rotating rod 7 can rotate conveniently;

in fig. 2: be equipped with thermal-insulated chamber 21 in the lateral wall of feed cylinder 1, and it has thermal-insulated asbestos material to fill in thermal-insulated chamber 21, has both played the heat preservation effect, can prevent that feed cylinder 1 surface temperature is too high again, ensures operational environment's safety.

The utility model discloses a theory of operation is: when the device works, plastic particles fall into the charging barrel 1 from the feeding hopper 3, the servo motor 11 is started to drive the driving gear 12 to rotate, the driving gear 12 is driven by the driving chain 14 and the driven gear 13 to drive the rotating rod 7 to rotate, the rotation of the spiral conveying paddle 6 is realized, the automatic conveying of materials is further realized, the conveying is stable, the maintenance is convenient, the plastic particles are melted by heating of the electric heating plate 8, the electric heating plate 8 is arranged in the charging barrel 1, the heat is concentrated, the melting effect is good, the heat consumption is low, the energy is saved, and the melted plastic liquid is discharged from the die orifice 4 to be processed into a film;

meanwhile, the water pump 17 is started, cold water in the cold water tank 15 is injected into the cooling ring pipe 16 on the die orifice 4 through the water guide pipe 18, the overhigh heat of the die orifice 4 is absorbed and kept at the temperature, the thin film can be prevented from being fused, the processing quality and efficiency are improved, the water absorbing the heat flows back into the cold water tank 15 through the return pipe 19 to be cooled and continuously recycled, and water resources are saved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A film blowing device for plastic production comprises a transversely arranged material cylinder (1), and is characterized in that two symmetrical racks (2) are fixedly connected to the lower sides of the two ends of the material cylinder (1) respectively, a feed hopper (3) is communicated with the upper side of the material cylinder (1), a die opening (4) is communicated with the upper side of one end, away from the feed hopper (3), of the material cylinder (1), a spiral conveying paddle (6) is rotatably connected to the inner wall, close to the die opening (4), of one end of the material cylinder (1) through a rotating piece (5), a rotating rod (7) is fixedly connected to one end, away from the rotating piece (5), of the spiral conveying paddle (6), one end, away from the spiral conveying paddle (7), of the rotating rod penetrates through the material cylinder (1) and is outwardly extended, an electric heating plate (8) is fixedly connected to the inner wall of the material cylinder (1), and a temperature sensor (9) is fixedly, be equipped with actuating mechanism on being close to feeder hopper (3) department frame (2), and actuating mechanism's one end and bull stick (7) fixed connection are close to die orifice (4) department and be equipped with cooling body on frame (2), and cooling body's one end and die orifice (4) fixed connection, fixedly connected with control panel (10) on frame (2).

2. The film blowing device for plastic production is characterized in that the driving mechanism comprises a servo motor (11) fixed on the frame (2), the driving end of the servo motor (11) is rotatably connected with a driving shaft arranged transversely, one end of the driving shaft far away from the servo motor (11) is fixedly connected with a driving gear (12), one end of the rotating rod (7) positioned outside the charging barrel (1) is fixedly connected with a driven gear (13), and the driving gear (12) is in transmission connection with the driven gear (13) through a transmission chain (14).

3. The film blowing device for plastic production according to claim 1, wherein the cooling mechanism comprises a cold water tank (15) and a cooling ring pipe (16) fixedly sleeved on the die orifice (4), a water pump (17) is communicated with the bottom of one side of the cold water tank (15), a water guide pipe (18) is communicated with the water outlet end of the water pump (17), one end of the water guide pipe (18) far away from the water pump (17) is communicated with the cooling ring pipe (16), one end of the cooling ring pipe (16) far away from the water guide pipe (18) is communicated with a return pipe (19), and one end of the return pipe (19) far away from the cooling ring pipe (16) is communicated with the upper side of the cold water tank (15).

4. The film blowing device for plastic production as claimed in claim 3, wherein the upper side of the cold water tank (15) is communicated with a water injection port, and the bottom of one side of the cold water tank (15) is communicated with a water discharge port.

5. The film blowing device for plastic production according to claim 1, wherein a through hole is formed at one end of the charging barrel (1), the rotating rod (7) penetrates through the through hole, and the inner wall of the through hole is rotatably connected with the outer side wall of the rotating rod (7) through a bearing (20).

6. A film blowing apparatus for plastics production according to claim 1, wherein a heat insulating chamber (21) is provided in the side wall of the cartridge (1), and the heat insulating chamber (21) is filled with a heat insulating asbestos material.